﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace FizzBuzz
{
    public static class StringHelper
    {
        public static string Capitalise(this string arg)
        {
            return arg.ToUpper();
        }
    }

    public class ExtensionDemo
    {
        public void Run()
        {
            Console.WriteLine("nauman".Capitalise());
        }
    }
}